Dr. Quinn, Medicine Woman S05 E01 Runaway Train

"Her Courage Forged A New Vision For The Old West"

Sully goes to Denver to negotiate the release of Cloud Dancing from the army. One of the conditions is that Sully is no longer Indian Agent and may not ever step foot on the reservation again. On the way home the train crashes, injuring most on board. Andrew learns a lesson in humility by watching Michaela in action.